During #NationalCondomWeek, we can't talk about condoms without talking about lubricant. Lube is your friend! It can help make sex feel more comfortable and prevent condom breakage. Always use water based Can we use Vaseline coconut oil as lubricants during sexual intercourse? Dr. Deepa Ganesh. Petroleum jelly using as lubricant in sex and smooth and warm it Olor While Vaseline, lotions and baby oil are very common moisturizers found in most homes, they should be avoided as lubricants during sex. They contain chemicals that can irritate the genitals.